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Comparative study on friction force pattern anisotropy of graphite
Liu ZH(刘志华); Wang WX(王文学); Liu LQ(刘连庆)
Source PublicationApplied Surface Science
Indexed BySCI ; EI
EI Accession number20151000616694
WOS IDWOS:000350373300060
Contribution Rank1
KeywordFriction Force Pattern Dimensionality Reduction Effect Prandtl–tomlinson Model
AbstractIn this paper, the experimental and theoretical studies on the atomic-scale two-dimensional friction force pattern are presented. Atomic-scale friction experiments were conducted on graphite surfaces with the atomic force microscopy (AFM) under ambient conditions. Owing to the dimensionality reduction effect of optical method detecting the probe cantilever deflection, the friction force patterns were revealed in these experiments. The friction phenomenon was analyzed theoretically in the framework of Prandtl-Tomlinson model in two dimensions. The dimensionality reduction effect was formulated and involved in the model. The comparison shows the good quantitative agreement between experimental and simulation results, suggesting that the friction force pattern can be interpreted reliably using the model. Meanwhile atomic arrangement was obtained in friction force pattern, the origin and variation of which were also analyzed. The condition for appearance of atomic arrangement was determined qualitatively. By means of band-pass filtering, hexagonal rings or crystal lattices images of graphite were obtained.
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS Research AreaChemistry ; Materials Science ; Physics
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLiu ZH(刘志华)
AffiliationState Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Nanta Street 114, Shenyang, China
Recommended Citation
GB/T 7714
Liu ZH,Wang WX,Liu LQ. Comparative study on friction force pattern anisotropy of graphite[J]. Applied Surface Science,2015,332:473-479.
APA Liu ZH,Wang WX,&Liu LQ.(2015).Comparative study on friction force pattern anisotropy of graphite.Applied Surface Science,332,473-479.
MLA Liu ZH,et al."Comparative study on friction force pattern anisotropy of graphite".Applied Surface Science 332(2015):473-479.
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